package com.atguigu.msmservice.controller;

import com.atguigu.commonutils.R;
import com.atguigu.msmservice.service.MsmService;
import com.atguigu.msmservice.utils.RandomUtil;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.util.StringUtils;
import org.springframework.web.bind.annotation.*;

import java.util.HashMap;
import java.util.Map;
import java.util.concurrent.TimeUnit;

@Api(description = "阿里云短信服务")
@RestController
@RequestMapping("/edumsm/msm")
//@CrossOrigin
public class MsmController {

    @Autowired
    private MsmService msmService;

    @Autowired
    private RedisTemplate<String, String> redisTemplate;

    @ApiOperation(value = "发送短信")
    @GetMapping("/send/{phone}")
    public R sendMsm(@PathVariable String phone) {
        //1、先从redis中获取验证码，如果获取到直接返回
        String code = redisTemplate.opsForValue().get(phone);
        if (!StringUtils.isEmpty(code)) {
            return R.ok();
        }
        //2、如果redis获取不到，就进行阿里云的短信发送

        //生成随机值，传递阿里云进行发送
        code = RandomUtil.getFourBitRandom();
        Map<String, Object> param = new HashMap<>();
        param.put("code", code);
        //调用service发送短信的方法
        boolean isSend = msmService.send(param, phone);
        if (isSend) {
            //发送成功，将发送成功的验证码放到redis中，设置有效时间 5分钟失效
            redisTemplate.opsForValue().set(phone, code, 5, TimeUnit.MINUTES);
            return R.ok();
        } else {
            return R.error().message("短信发送失败");
        }
    }
}
